diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0030-MIPS-lantiq-convert-falcon-gpio-to-clkdev-api.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.2/0030-MIPS-lantiq-convert-falcon-gpio-to-clkdev-api.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0030-MIPS-lantiq-convert-falcon-gpio-to-clkdev-api.patch b/target/linux/lantiq/patches-3.2/0030-MIPS-lantiq-convert-falcon-gpio-to-clkdev-api.patch new file mode 100644 index 0000000000..733112edd3 --- /dev/null +++ b/target/linux/lantiq/patches-3.2/0030-MIPS-lantiq-convert-falcon-gpio-to-clkdev-api.patch @@ -0,0 +1,73 @@ +From 3cb13f9992ae1948b6ca05c88d2bd25cf9e7cd41 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 8 Mar 2012 11:22:03 +0100 +Subject: [PATCH 30/70] MIPS: lantiq: convert falcon gpio to clkdev api + +The falcon gpio clocks used to be enabled when registering the platform device. +Move this code into the driver and use clkdev api. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/lantiq/falcon/devices.c | 5 ----- + arch/mips/lantiq/falcon/gpio.c | 10 ++++++++++ + 2 files changed, 10 insertions(+), 5 deletions(-) + +diff --git a/arch/mips/lantiq/falcon/devices.c b/arch/mips/lantiq/falcon/devices.c +index 4f47b44..6cd7a88 100644 +--- a/arch/mips/lantiq/falcon/devices.c ++++ b/arch/mips/lantiq/falcon/devices.c +@@ -111,9 +111,6 @@ falcon_register_gpio(void) + falcon_gpio1_res, ARRAY_SIZE(falcon_gpio1_res)); + platform_device_register_simple("falcon_gpio", 2, + falcon_gpio2_res, ARRAY_SIZE(falcon_gpio2_res)); +- ltq_sysctl_activate(SYSCTL_SYS1, ACTS_PADCTRL1 | ACTS_P1); +- ltq_sysctl_activate(SYSCTL_SYSETH, ACTS_PADCTRL0 | +- ACTS_PADCTRL2 | ACTS_P0 | ACTS_P2); + } + + void __init +@@ -123,6 +120,4 @@ falcon_register_gpio_extra(void) + falcon_gpio3_res, ARRAY_SIZE(falcon_gpio3_res)); + platform_device_register_simple("falcon_gpio", 4, + falcon_gpio4_res, ARRAY_SIZE(falcon_gpio4_res)); +- ltq_sysctl_activate(SYSCTL_SYS1, +- ACTS_PADCTRL3 | ACTS_PADCTRL4 | ACTS_P3 | ACTS_P4); + } +diff --git a/arch/mips/lantiq/falcon/gpio.c b/arch/mips/lantiq/falcon/gpio.c +index a44f71b..4147d61 100644 +--- a/arch/mips/lantiq/falcon/gpio.c ++++ b/arch/mips/lantiq/falcon/gpio.c +@@ -11,6 +11,7 @@ + #include <linux/interrupt.h> + #include <linux/slab.h> + #include <linux/export.h> ++#include <linux/err.h> + #include <linux/platform_device.h> + + #include <lantiq_soc.h> +@@ -71,6 +72,7 @@ struct falcon_gpio_port { + void __iomem *port; + unsigned int irq_base; + unsigned int chained_irq; ++ struct clk *clk; + }; + + static struct falcon_gpio_port ltq_gpio_port[MAX_PORTS]; +@@ -332,6 +334,14 @@ falcon_gpio_probe(struct platform_device *pdev) + goto err; + } + ++ gpio_port->clk = clk_get(&pdev->dev, NULL); ++ if (IS_ERR(gpio_port->clk)) { ++ dev_err(&pdev->dev, "Could not get clock\n"); ++ ret = PTR_ERR(gpio_port->clk);; ++ goto err; ++ } ++ clk_enable(gpio_port->clk); ++ + if (irq > 0) { + /* irq_chip support */ + gpio_port->gpio_chip.to_irq = falcon_gpio_to_irq; +-- +1.7.7.1 + |